发明名称 |
Passenger number sensor system |
摘要 |
A passenger-number sensor system wherein a plurality of infrared ray sensors are disposed on a straight line to detect temperature changes in their light reception zones, a plurality of optical lenses are provided one for each of the plurality of infrared ray sensors, and a counter is provided to select one of the addition values in a predetermined range according to a sense pattern based on the temperature changes of the infrared ray sensors and add the selected addition value to a so-far accumulated count value.
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申请公布号 |
US5068537(A) |
申请公布日期 |
1991.11.26 |
申请号 |
US19910669374 |
申请日期 |
1991.03.14 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
ISHIKAWA, HARUO;KAWANA, KIYOSHI;HONMA, KO;YOSHIKAWA, TAKASHI |
分类号 |
G06M7/00;G01V8/20;G06M1/10;G06M3/00;G07C9/00 |
主分类号 |
G06M7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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